I share Richard's opinion. Janek
Dnia wtorek, 13 stycznia 2015, Richard Eisenberg napisaĆ: > Hi devs, > > There's a sizable number of modules in the `vectorise` subdirectory of GHC. > I'm sure these do all sorts of wonderful things. But what, exactly? And, > does anyone make use of these wonderful things? > > A quick poking through the code shows a tiny link between the vectorise > code and the rest of GHC -- the function `vectorise` exported from the > module `Vectorise`, which is named in exactly one place from SimplCore. > From what I can tell, the function will be called only when `-fvectorise` > is specified, and then it seems to interact with a {-# VECTORISE #-} > pragma. However, `{-# VECTORISE #-}` doesn't appear in the manual at all, > and `-fvectorise` is given only a cursory explanation. It seems these work > with DPH... which has been disabled, no? Searching online finds several > hits, but nothing more recent than 2012. > > I hope this question doesn't offend -- it seems that vectorisation probably > has amazing performance gains. Yet, the feature also seems unloved. In the > meantime, compiling (and recompiling, and recompiling...) the modules takes > time, as does going through them to propagate changes from elsewhere. If > this feature is truly orphaned, unloved, and unused at the moment, is it > reasonable to consider putting it on furlough? > > Thanks, > Richard > _______________________________________________ > ghc-devs mailing list > ghc-devs@haskell.org > http://www.haskell.org/mailman/listinfo/ghc-devs _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://www.haskell.org/mailman/listinfo/ghc-devs